[root@node1~]# dmidecode -t 查看支持的参数

dmidecode: option requires an argument -- 't'

Type number or keyword expected

Valid type keywords are:

bios

system

baseboard

chassis

processor

memory

cache

connector

slot

[root@node1~]# dmidecode -t system 或者 dmidecode -t 1

dmidecode 2.11

SMBIOS 2.7 present.

Handle 0x0100, DMI type 1, 27 bytes

System Information

Manufacturer: Dell Inc.

Product Name: PowerEdge R720xd

Version: Not Specified

Serial Number: FJ2SHY1

UUID: 4C4C4544-004A-3210-8053-C6C04F485931

Wake-up Type: Power Switch

SKU Number: SKU=NotProvided;ModelName=PowerEdge R720xd

Family: Not Specified